package cn.edu.scau.cmi.lijinzhao.chapter06;

class People{
	float weight,height;
	String name;
	void speak(String s) {
		System.out.println(s);
	}
}
class Student extends People{
	int number;
	double add(double a,double b) {
		return a+b;
	}
}
public class Example6_1 {
	public static void main(String args[]) {
		Student zhangSan=new Student();
		zhangSan.weight=65.9f;
		zhangSan.height=182f;
		zhangSan.name="张三";
		zhangSan.number=201011;
		zhangSan.speak("我是"+zhangSan.name+"，我的学号："+zhangSan.number);
		System.out.println("我的身高："+zhangSan.height+"cm,我的体重："+zhangSan.weight+"kg");
		System.out.println("我会做加法：");
		double sum=zhangSan.add(23.5, 879.987);
		System.out.println("sum="+sum);
	}

}
